Home / 158,008.12-218,054.64-94,334.04

Finding the Fourth Proportional to 158,008.12, 218,054.64 and 94,334.04

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Solution

The fourth proportional to 158,008.12, 218,054.64 and 94,334.04 is: 130,183.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,008.12 : 218,054.64 = 94,334.04 : x
  2. Step 2: Convert to fraction form
    158,008.12/218,054.64 = 94,334.04/x
  3. Step 3: Cross multiply
    158,008.12x = 218,054.64 × 94,334.04
  4. Step 4: Simplify right side
    158,008.12x = 20,569,975,131.95
  5. Step 5: Solve for x
    x = 20,569,975,131.95/158,008.12
  6. Step 6: Final answer
    x = 130,183.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.